This paper has introduced design principle and function of broadcasting transmitter monitor system and emphasized on application of PLC on monitor system.
本文介绍了广播发射机监控系统的设计原则和应具备的功能，着重说明了PLC在广播发射机监控系统中的应用。
Function: the transmitter transmit the induction signal which need to be test to fluid monitor by its structure.
作用：流量变送器通过自身的结构将要检测的导电流体的感应电动势信号传送给流量显示器。
The optical transmitter module communicates with the computer and receives the control signal from the workstation in the shore to control and monitor undersea photoelectricity module.
该光发射模块可与计算机进行通信，接收岸基站传送的控制信号去监测和控制水下光电模块。
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